Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

FIGS. 1-6 show portions of an article of footwear in broken lines. The article of footwear portions illustrated in phantom lines are shown for environmental purposes and do not form any part of the claimed design. Further, the phantom lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the phantom lines forming no part of the claimed design. 

CLAIM The ornamental design for footwear sole, as shown and described. 